Short Efficiency and reliability that sets new standards: for the C Series, the larger BOGE compact module is integrated. This eliminates long connections and internal piping. These screw compressors come equipped with refrigerant dryers and compressed air receivers. Best air compressor for home garage, auto shop, academic research laboratory, or manufacturing. PRODUCT Screw compressor with refrigerant dryer mounted on a compressed air receiver, direct coupled, oil lubricated ADVANTAGES compact design refrigerant dryer included directly coupled with receiver extremely quiet maximum efficiency